PubNub vs Twilio
Discover how PubNub compares to Twilio, and understand which is right for your use case, based on dimensions such as core features, pricing, reliability, and scalability.
What is PubNub?
PubNub is a developer API platform that powers the realtime infrastructure in apps to build engaging Virtual Spaces where online communities can connect. It can serve as the foundation for online chat, live events, geolocation, remote IoT control, and realtime updates.
What is Twilio?
Twilio is a cloud platform that enables developers to build real-time communications features for their applications. It provides APIs for voice, SMS, video, WhatsApp, and other messaging services.
Compare PubNub and Twilio
Let’s compare PubNub and Twilio, looking at key dimensions such as their core features, pricing, integrations, QoS, performance, and security and compliance.
Disclaimer:This comparison was created based on documentation and resources freely available online about PubNub and Twilio. The content was last updated on 16 Oct 2024 for PubNub and on 30 Oct 2024 for Twilio. Be sure to double-check everything before you make any decisions. If you do find anything incorrect or out of date, then please contact us.
| Core features | |||
Pub/Sub messaging | Reduces communication code complexity, simplifying the process of building highly functional and architecturally complex realtime apps. | PubNub Yes | Twilio |
Chat capabilities | Accelerates the time to implement rich chat experiences with features such as read receipts, typing indicators, and more. | PubNub | Twilio Yes Twilio offers 1-on-1 messaging, group chats, message history, read receipts, typing, and file sharing via its Conversations API. |
Collaboration capabilities | Enables you to quickly integrate realtime collaborative features like live cursors, member location, avatar stacks, and component locking. | PubNub Partial Via Presence, no dedicated SDK to make it easier. | Twilio No |
State sync capabilities | Enables realtime data synchronization across devices and users, ensuring a cohesive and up-to-date user experience. | PubNub Yes | Twilio No Twilio Sync allows realtime updates for synchronized data across users and devices. However, for database-to-UI state sync, Twilio would require third party products. |
Presence | Maintaining a view of which users are connected, and their associated metadata, enables their online status to be updated in realtime. | PubNub Yes | Twilio Yes Twilio offers presence functionality through its Conversations SDK, which has a built-in Reachability Indicator feature. Read more |
Occupancy | High-level metrics about the clients currently connected to a channel make it simple to show things such as connected user count, or display which channels are the most popular. | PubNub | Twilio No |
Message interactions | Enables interaction with previously-sent messages, facilitating the implementation of features like message reactions and threads. | PubNub Yes | Twilio Yes Twilio offers message interactions through its Conversations and Messaging Services. It also provides Flex, which supports messaging interactions through web chat, SMS, Facebook Messenger, and WhatsApp. |
Message history | Enables clients to catch up on missed messages when inactive, ensuring a user doesn’t miss any important messages. | PubNub Yes | Twilio Yes Twilio allows you to retrieve and modify message history through its Programmable Messaging API. |
Push notifications | Cross-platform push notifications make it possible to deliver important and timely messages to users even when they’re inactive. | PubNub Yes | Twilio Yes Twilio offers push notifications through its Twilio Notify API. |
Message delta compression | Minimizes bandwidth and can reduce latency, particularly in scenarios where continuous updates are sent. | PubNub No | Twilio No |
Programmatic management | Enables the automation of provisioning, management, and testing of service resources, simplifying integration with existing development workflows such as CI. | PubNub No | Twilio Yes |
| Pricing | |||
Free plan | With a free plan, you can test the service’s functionality and compatibility with your project before committing to a paid plan. | PubNub Yes | Twilio Yes Some of (not all) Twilio's services have a free plan. Twilio also offers a free trial. |
Pricing model | The pricing model should align with your project's expected load, usage patterns, and budget in order to be cost-effective and efficient. | PubNub PubNub offers Free, Starter, and Pro packages. Their support packages, separate from their standard plans, also include an Enterprise option. Their pricing model is based on monthly active users (MAUs). See the pricing page | Twilio Pay as you go:
|
| Integrations & interoperability | |||
SDKs | Supporting multiple languages and platforms offers greater flexibility when building cross-platform realtime apps. | PubNub
Source: SDKs | Twilio
|
Supported realtime protocols | Support for multiple protocols provides the flexibility to choose a protocol that best suits your project’s requirements. | PubNub
PubNub uses HTTP as the transport for their client libraries. A WebSocket compliant interface is provided in some libraries, however this is just a wrapper around an underlying HTTP transport. | Twilio
|
Serverless functions | Enables integration with third-party cloud providers by facilitating the execution of custom code against messages to perform business logic like on-the-fly translation. | PubNub
PubNub allows you to run code on its own platform using proprietary PubNub Functions in the form of “Blocks”. The code you can run in Blocks is limited to the Javascript API available in PubNub’s system. | Twilio
|
Streaming & queueing | Provides a dependable method to reroute messages from the service to third-party streams and queues for further processing. | PubNub Egress:
Ingress:
| Twilio Yes |
Observability services | Enables realtime monitoring and troubleshooting by offering insights into service behavior directly in your observability platform of choice. | PubNub Yes PubNub provides integrations with Datadog and NewRelic | Twilio Yes Twilio provides observability through insights and monitoring dashboards for voice, messaging, and flex. The dashboards give metrics like time range, delivery status, messaging traffic, errors, responses, etc. |
CI/CD tools | Makes it possible to provision and configure service infrastructure as part of a CI or CD pipeline, enabling repeatable and reliable deployments. | PubNub PubNub provides a Command Line Interface (CLI) specifically for managing and deploying PubNub Functions. | Twilio No |
| Quality of Service | |||
Scalability | Scalability is vital as it ensures the service can handle increased data load or users without compromising performance. | PubNub
Source: Edge messaging solutions page | Twilio
|
Guaranteed message delivery | Ensures messages are never lost during transmission, even in the presence of network disruptions. | PubNub No | Twilio Yes While Twilio ensures reliable delivery, it typically follows at-least-once or best-effort delivery models. That means messages may be delivered more than once in rare cases, such as during network failures or retry attempts. |
Guaranteed message ordering | Maintains the sequence of messages as they were sent. This is particularly important in apps where the chronological order of messages is essential for meaningful communication. | PubNub No | Twilio No Twilio sends SMS messages in the order they are queued, but they are delivered individually. That means that if you send multiple SMS messages to the same user quickly, Twilio cannot guarantee that the messages will arrive in the order you sent them. Read more |
Exactly-once message delivery | Guarantees that each message is processed exactly once, preventing data inconsistencies that can arise from duplicate processing or missing messages. | PubNub No | Twilio No Twilio doesn't guarantee exactly-once delivery by default. However, it can implement de-duplication in the receiving service by checking if an event with the same ID has already been received, and discarding duplicates. Read more |
| Performance & availability | |||
Uptime Guarantee | An uptime guarantee instills confidence in the reliability of the service and protects your business from the negative impacts of downtime. | PubNub 99.999% | Twilio
|
Global edge network | By bringing servers (Points of Presence, or PoP) geographically closer to the devices of end users, and routing requests to the nearest PoP, global latency is reduced to a minimum. | PubNub Yes | Twilio Yes Twilio has a global edge network of network edges called Twilio Edge Locations, which allows you to control the geographic location where your application's network traffic enters and exits Twilio's platform. |
Multi-region data replication (message durability) | By replicating data across multiple regions, the risk of data loss or downtime is greatly mitigated since if data is lost or a server fails in one region, the information can be retrieved from another. | PubNub Yes | Twilio Yes Twilio provides multi-region data replication to enhance message durability. |
No single point of failure or congestion | Having no single point of failure means a system is resilient and can continue to operate even if one part fails. Avoiding a single point of congestion ensures messages flow efficiently across the system and avoids bottlenecks that could lead to performance issues under load. | PubNub Yes | Twilio Yes Twilio's "Super Network" and hybrid cloud infrastructure reduce the risk of a single point of failure and congestion. The design is built with redundancy and scalability to minimize potential disruptions. |
Latency | Low latency is crucial for realtime apps as it ensures swift and efficient data transmissions, providing a smoother and more responsive user experience. | PubNub <100 milliseconds delivery | Twilio Unknown. |
| Security & compliance | |||
API key authentication | Simplifies the authentication code on trusted servers compared to requesting, managing, and refreshing tokens. | PubNub No PubNub does not provide configurable private key permissions. It uses a different model where each client’s access is configured with the PubNub Access Manager (PAM). | Twilio Yes |
Token-based authentication | Provides a means to securely authenticate user devices against your user management system. | PubNub Yes | Twilio Yes Twilio uses token-based authentication (JWTs) for client-side SDKs like Voice, Conversations, Sync, and Video. |
Single Sign-On (SSO) authentication | SSO streamlines login processes, boosts security by minimizing password use, and meets compliance needs for secure data access management. | PubNub Yes Google and SSO | Twilio Yes Twilio offers SSO authentication for customers with a supported Twilio Editions Package. |
Rules for permissions and operations | Provides control over which users can subscribe and publish to certain channels. | PubNub | Twilio Yes Twilio manages permissions and operations through its Console and Access Control features. |
End-to-end encryption | Ensures that the data transmitted between the client and the API server remains confidential and secure while in transit. | PubNub Yes All customer data stored within PubNub is encrypted in transit over public networks using TLS 1.2+. Customer data stored in PubNub cloud products and services is AES-256 encrypted at rest. | Twilio No |
Encryption at rest | Ensures data stored by the service is secure and compliant, while also mitigating the risks of a data breach. | PubNub Yes | Twilio Yes Twilio uses TLS 1.2 to encrypt customer data at rest. |
Compliance | Compliance with regulations can impact your ability to meet legal obligations in your industry. | PubNub
| Twilio
|
Alternatives to PubNub and Twilio
While both PubNub and Twilio are worth considering as options for realtime experiences, they aren’t without their limitations. We suggest evaluating them against the following alternatives to make sure you find the right solution for your needs.
Alternatives to PubNub
Pusher is a first-generation pub/sub messaging service that provides bi-directional hosted APIs for adding realtime features to applications.
Socket.IO is a library that provides realtime, bi-directional communication between clients and servers. It allows the management of connections, sending and receiving messages, and more.
SignalR is an open-source library that simplifies adding real-time web functionality to ASP.NET Core web apps.
Alternatives to Twilio
Vonage provides SMS, voice, and video APIs for customizable communication solutions.
Bird (formerly MessageBird) provides SMS, voice, chat, and video APIs for omnichannel communication.
Agora provides APIs for realtime voice, video and live streaming.
Discover how PubNub and Twilio stack up against Ably
Ably is the definitive realtime experience platform of the internet. See how we compare to PubNub and Twilio on key dimensions such as core features, pricing, integrations, QoS, performance, and security and compliance.
Try Ably for free to discover the benefits for yourself
Ably has built reliable realtime infrastructure so you don’t have to. On our free plan you benefit from:
- 6M monthly messages
- 200 concurrent channels
- 200 concurrent connections
